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A.0500.551 – IM-TGMAG/02.00 EN (02/2008)
3.19 Instructions for start-up
3.19.1 General
The pump can be put into service when all arrangements described in chapter
3.18 Installation have been made.
• Priortocommissioning,responsibleoperatorshavetobefullyinformedonproperoperation
of the pump/pump unit and the safety instructions. This instruction manual must at all times be
available to the personnel.
• Priortocommissioning,thepump/pumpunitmustbecheckedforvisibledamage.Damageor
unexpected changes must be reported immediately to the plant operator.
3.19.2 Cleaning the pump
There may be residual mineral oil inside the pump deriving from the pump testing and the initial lubri-
cation of the bearing bushes. If these products are not acceptable for the pumped liquid, the pump
should be cleaned thoroughly. Proceed as described in section 3.21.2.8 Draining of fluid.
3.19.2.1 Cleaning suction line
Before the TG MAG pump is put into service for the first time, the suction line must be cleaned
thoroughly. Do not use the TG MAG pump for flushing the system, because it is not meant to
pump low viscous liquids which might contain particles.
3.19.3 Venting and filling
To operate properly the pump should be vented and filled with liquid to be pumped before initial
start-up.
If the liquid level on the suction side is below the suction flange level of the pump the pump must be
filled with liquid to make priming possible.
• Unscrew filling plugs Bb and Be. Fill up the pump with liquid to be pumped via connections Be.
• Rotate the pump shaft by hand in the normal sense of rotation while filling the liquid into the
pump.
• Tighten the filling plugs Be. Screw in plug Bb but not tighten it.
• Start the pump and tighten plug Bb when all air has escaped and liquid starts flowing out of this
connection.
If the liquid level at the suction side is above the suction flange level of the pump vent the pump as
follows:
• Loosen filling plugs Bb and Be so that air can escape.
• Open the suction side valve to let the pumped liquid flow into the pump. Rotate the pump shaft
by hand in the proper sense of rotation during venting.
• Tighten the plugs Bb and Be when liquid starts flowing out of these connections.
When the TG MAG pump is brought into service for the first time or in case a new gasket for the top
cover was mounted, bolts that compress the gasket must be re-tighened again after 3 – 4 days. (for
tightening torques: refer to section 3.21.3.1 Nuts and bolts)